/*
    This file is part of Leela Zero.
    Copyright (C) 2017-2018 Marco Calignano

    Leela Zero is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Leela Zero is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Leela Zero.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef CONSOLE_H
#define CONSOLE_H

#include <QObject>
#include <QSocketNotifier>
#include <QTextStream>
#include <cstdio>

#ifdef Q_OS_WIN
#include <QWinEventNotifier>
#include <windows.h>
typedef QWinEventNotifier Notifier;
#else
#include <QSocketNotifier>
typedef QSocketNotifier Notifier;
#endif

class Console : public QObject {
    Q_OBJECT
public:
    Console(QObject* parent = nullptr)
        : QObject(parent),
#ifdef Q_OS_WIN
          m_notifier(GetStdHandle(STD_INPUT_HANDLE)) {
#else
          m_notifier(fileno(stdin), Notifier::Read) {
#endif
        connect(&m_notifier, &Notifier::activated, this, &Console::readInput);
    }
    ~Console() = default;

signals:
    void sendQuit();

public slots:
    void readInput() {
        QTextStream qin(stdin);
        QString line = qin.readLine();
        if (line.contains("q")) {
            emit sendQuit();
        }
    }

private:
    Notifier m_notifier;
};

#endif // CONSOLE_H
